VERY poor gas mileage thread:
#1
Rotary!
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VERY poor gas mileage thread:
OK...I've had my FD for quite some time now. Ever since I've had it, I've been averaging extremely poor gas mileage of 7.3 MPG.My car isn't super-highly modified and I've changed everything that I thought could affect mileage, including:
Fuel Pump,
Fuel Filter
Spark Plugs,
Plug wires,
Adam C intake,
Downpipe,
midpipe,
RB dual tips,
O2 Sensor,
powerFC
What else do you recommend me to do in order to remedy this? It's staring to bug me that I need to refill my weekend driver EVERY weekend!
Any tips would be much appreciated.
Thanks,
Ian
Fuel Pump,
Fuel Filter
Spark Plugs,
Plug wires,
Adam C intake,
Downpipe,
midpipe,
RB dual tips,
O2 Sensor,
powerFC
What else do you recommend me to do in order to remedy this? It's staring to bug me that I need to refill my weekend driver EVERY weekend!
Any tips would be much appreciated.
Thanks,
Ian
#7
ya tuning for sure but you do own a rotary so bad gas mileage is expected just not that bad. i had the same problem until it was tuned now i get better mileage than my truck!
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#9
The Anti-Prius
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OK...I've had my FD for quite some time now. Ever since I've had it, I've been averaging extremely poor gas mileage of 7.3 MPG.
What else do you recommend me to do in order to remedy this? It's staring to bug me that I need to refill my weekend driver EVERY weekend!
Any tips would be much appreciated.
Thanks,
Ian
What else do you recommend me to do in order to remedy this? It's staring to bug me that I need to refill my weekend driver EVERY weekend!
Any tips would be much appreciated.
Thanks,
Ian
Drop that POS off at the nearest Chevy dealer & trade it in on a new Vette.
Performance & the gas mileage you desire.
Problem solved....................
#10
Banned. I got OWNED!!!
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the C6 is a great car, but I would still miss the FD....I'm looking at a C6 as a dd, though
anything less than 14 mpg is insane, even with an FD (for the street)
#15
Rotary!
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I was recommended by a mechanic to check these:
1.Check for good ignition on all 4 plugs
2. Bad Coil?
3. Check for bad ground for O2 sensor on Ground Loop using digital voltmeter (0 - 5 volts)
4. Check fuel pressure
Do you think these are worthwhile to check out?
1.Check for good ignition on all 4 plugs
2. Bad Coil?
3. Check for bad ground for O2 sensor on Ground Loop using digital voltmeter (0 - 5 volts)
4. Check fuel pressure
Do you think these are worthwhile to check out?
#16
FB=OS Giken LSD
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I drove from Atlanta to Miami and averaged 86MPH including one gas stop and some highway construction. I still got 22 MPG which I thought was pretty good. Around town on the gas, I'm estimating that I am also in the single or low double digits.
On my way back, however, I shipped the FD and drove an 06 Civic and got 36 MPG with the A/C on!
On my way back, however, I shipped the FD and drove an 06 Civic and got 36 MPG with the A/C on!
Last edited by mikeric; 03-10-08 at 03:26 PM.
#19
I do not mean to hi jack this thread at all. You can try doing a tune up, do wires, plugs, fuel filter, o2 sensor, clean/replace intake filter, get hard pipes for the intake if you dont have them already, catback exhaust, downpipe, intercooler. The modifications should help deliver colder air into the motor which will help lean out the fuel mixture. I was getting 16-18mpg on the pettit unlimited ecu, with the PowerFC I noticed increased driveability and gas mileage being between 18-22. You can also try to get a HKS twin power to help burn the fuel better. Just make sure you dont have any kind of boost spikes or creep and don't go past 10psi for the stock ecu.
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the best mod I have purchased was a good tune. i had my single setup tuned by gotham and it is the most well-spent $$ on my FD in the 8 or 9 years ive had it. this will greatly improve your low mpg or at least give you a good idea of what is causing it
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